The primary purpose of hack valves is to prevent:

The primary purpose of hack valves is to prevent water from flowing in two directions. These valves are typically installed in a manner that allows flow in a single direction, ensuring that the water moves through the system as intended. By preventing backflow, hack valves help maintain the efficiency and proper functioning of the distribution network. This directional control is crucial in many applications, particularly in preventing contamination from backflow into the supply lines.

While preventing the release of pressure, overheating, or the loss of system integrity are important considerations in distribution systems, the specific function of hack valves is focused on controlling the direction of water flow. By ensuring that water only travels in the desired direction, hack valves contribute to the overall reliability and safety of the water distribution system.